1. Department of MicroelectronicsBrno University of TechnologyTechnická 10BrnoCzech Republic
2. Faculty of Biomedical EngineeringCzech Technical UniversityPrague, nám. Sítná 3105KladnoCzech Republic
3. Department of Telecommunications Engineering, Faculty of EngineeringKing Mongkut's Institute of Technology LadkrabangBangkok10520Thailand
4. Department of Electrical EngineeringTechnical University of Częstochowa42‐201CzęstochowaPoland